George Clooney celebrates 52nd birthday with the boys in German mountain town as girlfriend Stacey Keibler dazzles at Met Gala

His birthdays are now so exclusive, not even his girlfriend Stacey Keibler can find them.

The multi-talented George Clooney celebrated his 52nd birthday on Tuesday evening at the Chinese restaurant Orchidea in Wernigerode, a town buried deep in the Harz mountains of Germany while girlfriend Keibler, 33, partied at the Met ball in New York City.

Joining him were actor friends Matt Damon, 42, and Bill Murray, 62, who are starring alongside Clooney in his newest directorial effort The Monuments Men.

Happy birthday George! The international star celebrated his 52nd birthday at a Chinese restaurant deep in the mountains of Germany on Tuesday, with actor friends Matt Damon and Bill Murray

'You found me': Clooney pauses to shake hands with a few adoring fans after his birthday celebration

By the time the low-key party was over, word had gotten out the Academy Award-winning producer of Argo was in town celebrating.

As all the famous attendees left in their own separate vehicles, locals and photographers mobbed Clooney as he headed to his car.

Even Damon, who had a much easier time walking to his vehicle, appeared impressed with the attention.

The Descendents star paused long enough to shake a few hands with adoring fans.

Clooney's newest film The Monuments Men tells the harrowing story of a crew of art historians and museum curators unite to recover renown works of art stolen by Nazis before Hitler destroys them.

Also starring in the A-list saturated film is Cate Blanchett, John Goodman and The Artist's Jean Dujardin.

Mob scene: The birthday boy was mobbed by photographers and fans while leaving his party

That guy must be famous: Even Damon, who had a much easier time walking to his vehicle, was amazed by the mob scene

Meanwhile half a world away, the Clooney's model girlfriend was partying in New York City at the annual Met ball, which had a theme of punk for this year.

Keibler was seen walking the red carpet and holding hands with American fashion designer Rachel Roy on Monday evening, as they attended both the PUNK: Chaos to Couture gala and subsequent after-parties.

She wore a metal studded black leather dress with sheer sleeves as well as metal studded heels in an attempt to mix both punk and elegance together seamlessly.

Keibler and Clooney have been dating since 2011.

Meanwhile in New York: Absent from the birthday celebration was Clooney's girlfriend model Stacey Keibler, who attended the annual Met ball with the theme of Punk: Chaos to Couture